
#ifndef _SYS__DEFAULT_FCNTL_H_
#ifdef __cplusplus
extern "C" {
#endif
#define _SYS__DEFAULT_FCNTL_H_
#include <_ansi.h>
#define _FOPEN (-1)			/* from sys/file.h, kernel use only */
#define _FREAD 0x0001		/* read enabled */
#define _FWRITE 0x0002		/* write enabled */
#define _FAPPEND 0x0008		/* append (writes guaranteed at the end) */
#define _FMARK 0x0010		/* internal; mark during gc() */
#define _FDEFER 0x0020		/* internal; defer for next gc pass */
#define _FASYNC 0x0040		/* signal pgrp when data ready */
#define _FSHLOCK 0x0080		/* BSD flock() shared lock present */
#define _FEXLOCK 0x0100		/* BSD flock() exclusive lock present */
#define _FCREAT 0x0200		/* open with file create */
#define _FTRUNC 0x0400		/* open with truncation */
#define _FEXCL 0x0800		/* error on open if file exists */
#define _FNBIO 0x1000		/* non blocking I/O (sys5 style) */
#define _FSYNC 0x2000		/* do all writes synchronously */
#define _FNONBLOCK 0x4000   /* non blocking I/O (POSIX style) */
#define _FNDELAY _FNONBLOCK /* non blocking I/O (4.2 style) */
#define _FNOCTTY 0x8000		/* don't assign a ctty on this open */

#define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR)

/*
 * Flag values for open(2) and fcntl(2)
 * The kernel adds 1 to the open modes to turn it into some
 * combination of FREAD and FWRITE.
 */
#define O_RDONLY 0 /* +1 == FREAD */
#define O_WRONLY 1 /* +1 == FWRITE */
#define O_RDWR 2   /* +1 == FREAD|FWRITE */
#define O_APPEND _FAPPEND
#define O_CREAT _FCREAT
#define O_TRUNC _FTRUNC
#define O_EXCL _FEXCL
#define O_SYNC _FSYNC
/*	O_NDELAY	_FNDELAY 	set in include/fcntl.h */
/*	O_NDELAY	_FNBIO 		set in include/fcntl.h */
#define O_NONBLOCK _FNONBLOCK
#define O_NOCTTY _FNOCTTY
/* For machines which care - */
#if defined(_WIN32) || defined(__CYGWIN__)
#define _FBINARY 0x10000
#define _FTEXT 0x20000
#define _FNOINHERIT 0x40000

#define O_BINARY _FBINARY
#define O_TEXT _FTEXT
#define O_NOINHERIT _FNOINHERIT
/* O_CLOEXEC is the Linux equivalent to O_NOINHERIT */
#define O_CLOEXEC _FNOINHERIT

/* The windows header files define versions with a leading underscore.  */
#define _O_RDONLY O_RDONLY
#define _O_WRONLY O_WRONLY
#define _O_RDWR O_RDWR
#define _O_APPEND O_APPEND
#define _O_CREAT O_CREAT
#define _O_TRUNC O_TRUNC
#define _O_EXCL O_EXCL
#define _O_TEXT O_TEXT
#define _O_BINARY O_BINARY
#define _O_RAW O_BINARY
#define _O_NOINHERIT O_NOINHERIT
#endif

#ifndef _POSIX_SOURCE

/*
 * Flags that work for fcntl(fd, F_SETFL, FXXXX)
 */
#define FAPPEND _FAPPEND
#define FSYNC _FSYNC
#define FASYNC _FASYNC
#define FNBIO _FNBIO
#define FNONBIO _FNONBLOCK /* XXX fix to be NONBLOCK everywhere */
#define FNDELAY _FNDELAY

/*
 * Flags that are disallowed for fcntl's (FCNTLCANT);
 * used for opens, internal state, or locking.
 */
#define FREAD _FREAD
#define FWRITE _FWRITE
#define FMARK _FMARK
#define FDEFER _FDEFER
#define FSHLOCK _FSHLOCK
#define FEXLOCK _FEXLOCK

/*
 * The rest of the flags, used only for opens
 */
#define FOPEN _FOPEN
#define FCREAT _FCREAT
#define FTRUNC _FTRUNC
#define FEXCL _FEXCL
#define FNOCTTY _FNOCTTY

#endif /* !_POSIX_SOURCE */

/* XXX close on exec request; must match UF_EXCLOSE in user.h */
#define FD_CLOEXEC 1 /* posix */

/* fcntl(2) requests */
#define F_DUPFD 0 /* Duplicate fildes */
#define F_GETFD 1 /* Get fildes flags (close on exec) */
#define F_SETFD 2 /* Set fildes flags (close on exec) */
#define F_GETFL 3 /* Get file flags */
#define F_SETFL 4 /* Set file flags */
#ifndef _POSIX_SOURCE
#define F_GETOWN 5 /* Get owner - for ASYNC */
#define F_SETOWN 6 /* Set owner - for ASYNC */
#endif			   /* !_POSIX_SOURCE */
#define F_GETLK 7  /* Get record-locking information */
#define F_SETLK 8  /* Set or Clear a record-lock (Non-Blocking) */
#define F_SETLKW 9 /* Set or Clear a record-lock (Blocking) */
#ifndef _POSIX_SOURCE
#define F_RGETLK 10  /* Test a remote lock to see if it is blocked */
#define F_RSETLK 11  /* Set or unlock a remote lock */
#define F_CNVT 12	/* Convert a fhandle to an open fd */
#define F_RSETLKW 13 /* Set or Clear remote record-lock(Blocking) */
#endif				 /* !_POSIX_SOURCE */
#ifdef __CYGWIN__
#define F_DUPFD_CLOEXEC 14 /* As F_DUPFD, but set close-on-exec flag */
#endif

/* fcntl(2) flags (l_type field of flock structure) */
#define F_RDLCK 1 /* read lock */
#define F_WRLCK 2 /* write lock */
#define F_UNLCK 3 /* remove lock(s) */
#ifndef _POSIX_SOURCE
#define F_UNLKSYS 4 /* remove remote locks for a given system */
#endif				/* !_POSIX_SOURCE */

#ifdef __CYGWIN__
/* Special descriptor value to denote the cwd in calls to openat(2) etc. */
#define AT_FDCWD -2

/* Flag values for faccessat2) et al. */
#define AT_EACCESS 1
#define AT_SYMLINK_NOFOLLOW 2
#define AT_SYMLINK_FOLLOW 4
#define AT_REMOVEDIR 8
#endif

/*#include <sys/stdtypes.h>*/

#ifndef __CYGWIN__
/* file segment locking set data type - information passed to system by user */
struct flock
{
	short l_type;   /* F_RDLCK, F_WRLCK, or F_UNLCK */
	short l_whence; /* flag to choose starting offset */
	long l_start;   /* relative offset, in bytes */
	long l_len;		/* length, in bytes; 0 means lock to EOF */
	short l_pid;	/* returned with F_GETLK */
	short l_xxx;	/* reserved for future use */
};
#endif /* __CYGWIN__ */

#ifndef _POSIX_SOURCE
/* extended file segment locking set data type */
struct eflock
{
	short l_type;   /* F_RDLCK, F_WRLCK, or F_UNLCK */
	short l_whence; /* flag to choose starting offset */
	long l_start;   /* relative offset, in bytes */
	long l_len;		/* length, in bytes; 0 means lock to EOF */
	short l_pid;	/* returned with F_GETLK */
	short l_xxx;	/* reserved for future use */
	long l_rpid;	/* Remote process id wanting this lock */
	long l_rsys;	/* Remote system id wanting this lock */
};
#endif /* !_POSIX_SOURCE */

#include <sys/types.h>
#include <sys/stat.h> /* sigh. for the mode bits for open/creat */

extern int open _PARAMS((const char *, int, ...));
extern int creat _PARAMS((const char *, mode_t));
extern int fcntl _PARAMS((int, int, ...));
#ifdef __CYGWIN__
#include <sys/time.h>
extern int futimesat _PARAMS((int, const char *, const struct timeval *));
extern int openat _PARAMS((int, const char *, int, ...));
#endif

/* Provide _<systemcall> prototypes for functions provided by some versions
   of newlib.  */
#ifdef _COMPILING_NEWLIB
extern int _open _PARAMS((const char *, int, ...));
extern int _fcntl _PARAMS((int, int, ...));
#ifdef __LARGE64_FILES
extern int _open64 _PARAMS((const char *, int, ...));
#endif
#endif

#ifdef __cplusplus
}
#endif
#endif /* !_SYS__DEFAULT_FCNTL_H_ */
